丙烯酸

Experimental process: jing and 3- methyl -2- methyl ethyl ketonesynthesizes by the benzene zong; Again the glacial acetic acidcatalysis produces 2, 3, 3 - trimethyl - 3H - yinduo; Again has thealkylate response production yinduo iodide after the methyl iodide;The iodide takes off molecular HI under NaOH to become freejier thealkali; Adds 5 - nitryls salicylic aldehydes in the ethyl alcohol forthe solvent under if to respond finally produces 6 '- the nitryl yinduolin spiral benzene and pinan; Through the infrared spectrum andthe ultimate analysis irrevocably proved its structure, and studiedthe annulus with to open the annulus the light to send changes colorthe performance, explained in different solvent medium ultravioletabsorption spectrometry solvent effect, and the comparisondiscoloration the response speed number difference, finally mixed itadds to the methyl methacrylate, the peroxidation benzoin formyl in the plexiglass, tested 6 '- the nitryl yinduolin spiralbenzene and pinan in the glass fatigue resistance, thethermostability.

实验过程：由苯肼和3-甲基-2-丁酮合成腙；再冰醋酸催化生成2 ，3 ，3—三甲基—3H—吲哚；再经过碘甲烷发生烷基化反应生成吲哚碘化物；碘化物在NaOH下脱去一分子HI成为费歇尔碱；在乙醇为溶剂下加5－硝基水杨醛与其反应最后生成6'—硝基吲哚啉螺苯并吡喃；通过红外光谱和元素分析确证其结构，并研究了环体与开环体的光致变色性能，解释了在不同溶剂介质中紫外吸收光谱的溶剂效应，并比较褪色反应速率数的差异，最后将其掺加到甲基丙烯酸甲酯，过氧化二苯甲酰有机玻璃中，测试6'—硝基吲哚啉螺苯并吡喃在玻璃中的抗疲劳性、热稳定性。

The gelatinize layer of adhesive is divided into rubber and acrylic.

涂胶层所用的胶黏剂不合橡胶不系和丙烯酸不系两栽。

The relation between gelation point and gel content of IPNs with different compositions were determined.

丙烯酸甲酯在生成IPN过程中凝胶的生成速度要比苯乙烯的场合快。

I currently use an acrylic gloss varnish to prime my canvases - mainly because it is transparent, and I prefer the natural color of the canvas over the chalky appearance of gesso; I always put three coats on.

i目前使用丙烯酸清漆光泽，以总理我的画布-这主要是因为它是透明的，我更喜欢天然彩色的帆布超过垩外观g esso，我始终把三个大衣。

Preparation and characterization of graft epoxy resin/silica hybrid aqueous dispersions and their films Epoxy resin/silica hybrid dispersion with solid content 30% was prepared by in-situ dispersing graft epoxy resin with silica sol and water.

接枝环氧树脂水分散液的制备及其表征通过BPO引发甲基丙烯酸和苯乙烯接枝高分子量环氧树脂的反应，合成了亲水性的环氧树脂，并利用索氏抽提的方法对产物进行了分离和表征。

A hardener is added to the acrylic enamel just before use.

在用之前添加硬化剂到丙烯酸瓷釉中。

The high polymeric substances made by acrylics and ester are of such characteristics as antiweatherability, resistance to ultraviolet light, water proof, heat resistance, etc.

以丙烯酸及其酯制得的高聚物具有优良的耐候、耐紫外光、耐水、耐热等特性，因而，在涂料、粘合剂、皮革、化纤、造纸、印染、助剂等方面有广泛的应用。

Using Hexamethylenetetramine as the catalyst and P-Hydroxyanisole as the inhibitor, glycidyl methacrylate were prepared by two-step method successfully.

本论文以六次甲基四胺为催化剂，对羟基苯甲醚为阻聚剂，采用酯化闭环两步法制备出甲基丙烯酸缩水甘油酯。

Ethyl hexyl acrylate:$0.07 per pound $155 per metric ton

-乙基己基丙烯酸酯：$每磅0.07美元

The effects of the size of hydrophilic/hydrophobic chain on the emulsion polymerization are investigated in detail.

该嵌段共聚物是很好的聚丙烯酸酯乳液稳定剂，论文中详细研究了嵌段共聚物分子链中的亲水亲油链段的尺寸大小对乳液性能的影响。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。